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Lab Dept:
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Chemistry
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Test Name:
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LACTATE, PUMP
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General Information
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Lab Order Codes:
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LACTP
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Synonyms:
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Lactic acid, Pump
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CPT Codes:
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83605 – Lactate (lactic acid)
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Test Includes:
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Lactate, Pump concentration reported mg/dL.
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Logistics
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Test Indications:
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Useful for determining the lactate of the pump prime solution prior to certain procedures such as ECMO or heart surgery.
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Lab Testing Sections:
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Chemistry
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Phone Numbers:
Minneapolis:
Saint Paul:
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612-813-6280
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651-220-6550
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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30 minutes
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Special Instructions:
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See Collection
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Specimen
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Specimen Type:
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Whole blood, pump, See Collection
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Container:
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Arterial/Venous draws: Sims Portex® syringe (PB151) or Smooth-E syringe (956-463) are the preferred syringes for analysis
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Draw Volume:
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0.4 mL (Minimum: 0.2 mL) blood
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Processed Volume:
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0.2 mL whole blood
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Collection:
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The specimen is collected from the ECMO pump.
Immediately remove all air from the syringe, cap tightly and mix by gentle inversion. Deliver specimens immediately to the lab at room temperature. Specimens must be analyzed immediately in the laboratory or placed on ice. Specimen should be tested with 30 minutes of collection.
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Special Processing:
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Lab Staff: Analyze all lactate samples immediately. Do Not centrifuge. Specimen should be delivered to testing station on ice in original collection container. Lab staff responsible for testing should be notified immediately.
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Patient Preparation:
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None
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Sample Rejection:
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Mislabeled or unlabeled specimen, clotted specimen, delay in specimen testing more than 30 minutes after collection
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Interpretive
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Reference Range:
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4.5 - 19.8 mg/dL
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Critical Values:
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>45 mg/dL
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Limitations:
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N/A
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Methodology:
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Ion Selective Electrode (ISE)
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Contraindications:
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This test is not indicated for general patient assessment.
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References:
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Tietz (1999) Textbook of Clinical Chemistry, 3rd edition, Philadelphia, WB Saunders Co, pp 788-789
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ABL 800 Flex Operators Manual (2008), Edition H, Publication 200802, Code Number 990-315, Radiometer Medical Applications
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Children’s Hospitals and Clinics, May 2009
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